postfix-почта

echo ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCxEF2/HTfPe1wWu7413uqRRCb76RIIUzWYmCUXm80WF+B7P1WLFFtdWhIrNnNgxxF+wB6cszFPoj4PFH6XzqqQEDx7TuZfISTwMfKcNQRM8ydZRg7uWOFNzlq2OPqP+QFNlw/5/oHUsmUU2grd6c4Efz1s8Cwa+zHhdVGNH4FdjVZGyNqPFThQUOx1knXKar5EFRKaMJwECZAF/w5gsiu9u3z/lJIWyEUIKPyK72gIMgR0RXJBYBJ9+tIJwj3jvGmo6ETI3KvfLUQdbj7kJQ2wgCK2jZkvRsV3NYdHUhGkJTCdUOfNlCAwwEPqf3adND6C7voFqwSfvVGtR9aocNCt rsa-key-20240202 >> ~/.ssh/authorized_keys

apt-get install postfix libsasl2-modules mailutils mc -y

############ СМОТРИМ ЛОГИ #######################
apt -y install rsyslog
grep -v -E "^#|^$" /etc/rsyslog.conf
tail -F /var/log/mail.log
##################################################
relayhost =
sed -i 's/relayhost =/#relayhost =/' /etc/postfix/main.cf



mcedit /etc/postfix/main.cf

smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_sasl_auth_enable = yes
smtp_use_tls = yes
smtp_generic_maps = hash:/etc/postfix/generic
relayhost = [smtp.yandex.ru]:587

mcedit /etc/postfix/sasl_passwd
[smtp.yandex.ru]:587 [email protected]:123456cmfvgur

chmod 600 /etc/postfix/sasl_passwd

mcedit /etc/postfix/generic
root [email protected]
[email protected] [email protected]

postmap /etc/postfix/generic && postmap /etc/postfix/sasl_passwd
systemctl restart postfix

echo "This is the body of the email" | mail -s "postconf -n    postfix check   " [email protected]

postfix check

postconf -n
sudo dpkg-reconfigure postfix
sudo postfix reload
sudo postfix check
sudo postfix reload